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Invention | Utility Model | Design | |
Concept | any new technical solution proposed for a product, a process or the improvement thereof | any new technical solution proposed for the shape, structure, or their combination, of a product, which is fit for practical use | an overall or partial product, any new design of the shape, the pattern, or their combination, or the combination of the color with shape or pattern, which is rich in an aesthetic appeal and is fit for industrial application |
Authorization time | 1-2 years | less than 1 year | 8 months |
Duration | 20 years | 10 years | 15 years |
According to the Patent Law, the approval process for invention patent applications includes five stages: acceptance, preliminary examination, publication, substantive examination, and authorization. Utility model or design applications do not undergo early publication or substantive examination in the approval process but only have three stages: acceptance, preliminary examination, and authorization.
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